Flora of North America species comparison

prostrate to ascending, 0–11 cm, internodes often concealed by white-hairy stipules and dense white hairs, villous-tomentulose.

erect or ascending, usually shorter than longest peduncles, sparsely strigulose.

2–15 cm;

stipules sometimes shortly connate-sheathing at proximal nodes, 1.5–5.5 mm, submembranous becoming papery-scarious;

leaflets 13–25, blades elliptic or ovate, 2–16 mm, apex usually acute, sometimes obtuse, surfaces silvery-villous.

4–17 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 1.5–7 mm, scarious;

leaflets 5–15, blades filiform to linear or narrowly elliptic, 2–23 mm, apex acute to obtuse, surfaces strigose abaxially, glabrous adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

1–11-flowered, flowers ascending;

axis 0.3–6 cm in fruit;

bracts 2–5 mm;

bracteoles 0–2.

6–34-flowered;

axis 3–25 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0 or 1.

0.5–15 cm.

erect, 4–25 cm, together with racemes longer than stems, much surpassing subtending leaves.

1–3 mm.

0.3–2 mm.

18–26 mm;

calyx cylindric, 8.3–18 mm, villous, tube 6.5–13.5 mm, lobes subulate, 1.5–5.7 mm;

corolla often pink-purple, sometimes pale;

banner recurved through 40°;

keel concealing style, 14.6–18.6(–19) mm.

7–11 mm;

calyx campanulate, 5–7.5 mm, white-pilose, tube 3–4 mm, lobes lanceolate-subulate, 1.8–3.5 mm;

corolla marcescent, pink-purple;

banner recurved through 45°;

keel 5.7–7 mm.

ascending, brightly purple-mottled, usually curved, obliquely ovoid-oblong, dorsiventrally compressed, ventrally grooved proximally, 15–35 × 5.5–12 mm, unilocular, fleshy becoming somewhat woody, strigose or villosulous.

ascending-spreading, stramineous, slightly incurved, ovoid to ellipsoid, obcompressed, 5.5–8 × 2.3–3.4 mm, thinly fleshy becoming papery, strigulose.

24–30.

4–6.